An unexpected error occurred while initialising the Z-Wave controller data.
Please check
1.) if the controller is plugged in correctly,
2.) that in the app 'Z-Wave Network Access' the right port is entered
(UZB: '/dev/ttyACM0', Box: '/dev/ttyAMA0', UZB-Windows: '\\.\COM3', Z-Stick: '/dev/ttyUSB0', embedded boxes: '/dev/ttyS0' or '/dev/ttyS1')
3.) the app is aktiv. If not you could activate it under Menu > Apps > Activ or add a new one under Menu > Apps > Local.
The Setting 'Expert View' needs to be active under Menu > My Settings.